Tsarin kula da iskar gas na jirgin ruwa (wanda ya hada da denitration da desulfurization subsystems) shine mabuɗin kayan kare muhalli na jirgin da ake buƙatar shigar da shi ta Ƙungiyar Kula da Maritime ta Duniya (IMO) MARPOL.Yana gudanar da desulfurization da denitration mara lahani jiyya ga shaye gas na jirgin dizal engine don hana gurbacewar iska lalacewa ta hanyar uncontrolled watsi na jirgin shaye gas.
Dangane da karuwar wayar da kan jama'a game da kariyar muhalli da karuwar amincewar masu mallakar jiragen ruwa, buƙatun kasuwa na tsarin kula da iskar gas na jirgin ruwa yana da yawa.Na gaba, za mu tattauna tare da ku daga ƙayyadaddun buƙatun da ƙa'idodin tsarin:
1. Abubuwan da suka dace da ƙayyadaddun buƙatun
A cikin 2016, Tier III ya fara aiki.Bisa ga wannan ma'auni, duk jiragen da aka gina bayan 1 ga Janairu, 2016, tare da babban ƙarfin fitarwa na inji na 130 kW da sama, suna tafiya a Arewacin Amirka da Ƙungiyar Ƙwararrun Ƙwararrun Ƙwararru na Amurka (ECA), ƙimar NOx ba za ta wuce 3.4 g ba. / kW.Matsayin IMO Tier I da Tier II ana amfani da su a duk duniya, Tier III yana iyakance ga wuraren sarrafa hayaki, kuma ana aiwatar da yankunan teku da ke wajen wannan yanki daidai da ka'idojin Tier II.
Dangane da taron IMO na 2017, daga ranar 1 ga Janairu, 2020, za a aiwatar da iyakar 0.5% na sulfur a hukumance.
2. Ka'idar desulfurization tsarin
Don saduwa da ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan iskar sulfur na jirgi, masu sarrafa jiragen ruwa gabaɗaya suna amfani da mai mai ƙarancin sulfur, tsarin kula da iskar gas ko makamashi mai tsafta (injunan mai dual-fuel LNG, da sauransu) da sauran mafita.Zaɓin ƙayyadaddun shirin gaba ɗaya ana la'akari da mai mallakar jirgin tare da nazarin tattalin arziki na ainihin jirgin.
The desulfurization tsarin rungumi dabi'ar rigar fasaha, da kuma daban-daban EGC tsarin (Exhaust Gas Cleaning System) ana amfani da a cikin daban-daban ruwa yankunan: bude nau'i, rufaffiyar nau'i, gauraye nau'i, ruwan teku Hanyar, magnesium Hanyar, da sodium Hanyar saduwa da aiki farashin da kuma watsi. .da mafi kyau duka hade da ake bukata.
Lokacin aikawa: Agusta-16-2022